SEIKO PROSPEX SSC911P1 - Speedtimer Solar Chronograph

The Seiko Prospex SSC911P1 is a solar-powered Speedtimer chronograph designed for sports timing and everyday reliability. Combining motorsport heritage with modern solar technology, this watch features a clean silver dial, fast-charging performance, and a robust stainless steel build — all engineered to handle both timing duties and daily wear with precision.

Key Features

• Speedtimer Solar Chronograph — part of Seiko’s Prospex Speedtimer lineup, inspired by Seiko’s long legacy in sports timekeeping.
• Solar-Powered Movement (Caliber V192) — charges from natural and artificial light with up to ~6 months power reserve when fully charged, and no regular battery changes needed.
• 60-Minute Stopwatch — measures elapsed time in 1/5-second increments for precise timing.
• 24-Hour Hand — useful second time scale for AM/PM reference.
• Power Reserve Indicator — dial sub-indicator shows remaining charge.
• Tachymeter Scale — fixed bezel tachymeter to calculate speed based on elapsed time.
• Date Display — convenient window on the dial.
• LumiBrite Hands & Indices — enhanced visibility in low light.

Specifications

• Model: SSC911P1
• Collection: Seiko Prospex Speedtimer
• Movement: Solar Quartz (Seiko Caliber V192) — solar-powered chronology with date and sub-functions.
• Accuracy: ±15 seconds per month (typical).
• Power Reserve: Approx. 6 months from full charge.
• Functions:
• Chronograph (up to 60 min / 1/5 sec)
• 24-hour subdial
• Power reserve indicator
• Date display
• Tachymeter scale

Case & Band:

• Case Material: Stainless Steel — durable sports finish.
• Bracelet Material: Stainless Steel (three-fold clasp with push button).
• Case Diameter: Approx. 41.4 mm.
• Case Thickness: Approx. 13.0 mm.
• Lug Width: ~21 mm.
• Crystal: Curved Sapphire Crystal with anti-reflective inner coating.
• Water Resistance: 100 m / 10 bar — suitable for splashes, swimming, and surface water activity.
• Magnetic Resistance: ~4,800 A/m (typical Prospex specs).

Colorway:

• Dial: Silver with contrasting chronograph subdials.
• Hands & Indices: Silver with LumiBrite.
• Bezel: Fixed tachymeter scale (grey/black accents).
• Case & Bracelet: Silver stainless steel.

The Seiko Prospex SSC911P1 Speedtimer Solar Chronograph is a high-performance sports watch with solar reliability, practical timing functions, and classic Speedtimer styling. Its robust stainless steel case, sapphire crystal, and detailed chronograph layout make it equally suited for everyday wear, timing sessions, or casual motorsport heritage appreciation.